A storm system over the northern Plains will track eastward toward the Great Lakes today. Clouds will be on the increase across Ohio today ahead of this system as deeper moisture gradually spreads across the area. While there is an outside chance of a sprinkle today, most areas will probably stay dry. Highs today will be around 70.
A warm front will lift northward across the area tonight. The atmosphere will moisten quickly overnight and scattered showers will develop along with the threat of a thunderstorm or two. Lows tonight will range from the mid 50s to around 60 degrees.
On Wednesday, low pressure will move eastward through the Great Lakes, dragging a strong cold front eastward across Ohio during the day. Showers are likely, along with the possibility of a thunderstorm. Highs will be in the mid 60s.
There will be a lull in the shower activity late Wednesday afternoon through Wednesday evening. Overnight Wednesday night, upper level low pressure will settle southeastward across the Great Lakes. Wrap-around moisture will spread back across the area along with colder temperatures aloft. Showers will redevelop Wednesday night, especially after midnight. Low temperatures will fall to the low to mid 40s.
Thursday will be mostly cloudy and cool with scattered showers likely under the cool upper low. With the colder temperatures aloft, some enhancement is possible downwind of Lake Erie across the snow belt counties. Highs on Thursday will be in the mid to upper 50s.
An upper level disturbance is forecast to track through the Ohio Valley and across the eastern Great Lakes Thursday night and early Friday. It will remain cool and unsettled across the area Thursday night and Friday with scattered showers likely. Lows Thursday night will be in the low to mid 40s with highs on Friday in the mid to upper 50s.
Showers will gradually taper off Friday afternoon with a brief period of dry weather expected Friday night through Saturday morning.
Another cold front will cross the area on Saturday afternoon accompanied by another round of scattered showers. Even colder air will spread across the region Sunday and Monday with scattered lake effect showers possible, especially across the snow belt.